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Recognised as Colour

#3A5CA5

  • #3A5CA5
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3A5CA5 is a blue with RGB values 58, 92, 165 and HSL 221°, 48%, 44%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3A5CA5#3A5CA5
HEX#3A5CA5
RGBrgb(58, 92, 165)
RGB (0–1)0.2275, 0.3608, 0.6471
RGB percentages22.7%, 36.1%, 64.7%
HSLhsl(220.9, 48%, 43.7%)
HSV / HSBhsv(220.9, 64.8%, 64.7%)
CMYK64.8%, 44.2%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,824,805
CSS custom property--colour: #3A5CA5;

Brightness & contrast

Relative luminance0.1127WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.45:1
Contrast with white6.45:1WCAG normal text: AA
Contrast with black3.25:1WCAG normal text: Fail
Greyscale equivalent#5A5A5A
Inverted#C5A35A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A64A8no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#295AA3no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#006D78no blue cones; rare, and affects men and women equally; ΔE 44.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.45:1WCAG large text: AAA
Contrast with black, large text3.25:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17Cornflower blue · ΔE 22.9Steel blue · ΔE 22.9Royal blue · ΔE 27.6Dodgerblue · ΔE 28.1Slate blue · ΔE 28.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A5833A
Analogous#3A91A5, #4E3AA5
Triadic#A53A5C, #5CA53A
Split complementary#A54E3A, #91A53A
Tetradic#A53A91, #A5833A, #3AA54E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2CEE9
Lighter +30%#9CB0DC
Lighter +20%#7692CF
Lighter +10%#5074C2
Darker −10%#2D477F
Darker −20%#1F325A
Darker −30%#121D34
Darker −40%#05080E
More saturated +25%#1E52C1
Less saturated −25%#566689

Channel breakdown

R58
G92
B165
Red58 (22.7%)
Green92 (36.1%)
Blue165 (64.7%)
Hue220.93°
Saturation (HSL)47.98%
Lightness43.73%
Dominant channelBlue
Hex per channelR 3A · G 5C · B A5

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Every value on this page was computed from “3a5ca5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.